Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: SCRMCA01XSY

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
916-975 A South Placer CA 649C ONVOY, LLC - CA 726      
916-975 0 South Placer CA 649C ONVOY, LLC - CA 726   2016-05-05   
916-975 1 South Placer CA 649C ONVOY, LLC - CA 726   2016-05-05   
916-975 7 South Placer CA 649C ONVOY, LLC - CA 726   2016-04-11   
916-975 8 South Placer CA 649C ONVOY, LLC - CA 726   2016-04-11   
916-982 3 Sacramento: Main DA CA 649C ONVOY, LLC - CA 726   2021-12-13   
916-982 4 Sacramento: Main DA CA 649C ONVOY, LLC - CA 726   2021-12-13   
916-999 A Sacramento: North DA CA 649C ONVOY, LLC - CA 726      
916-999 4 Sacramento: North DA CA 649C ONVOY, LLC - CA 726   2010-12-16   
916-999 5 Sacramento: North DA CA 649C ONVOY, LLC - CA 726   2010-12-16   
916-999 7 Sacramento: North DA CA 649C ONVOY, LLC - CA 726   2010-12-16   
916-999 9 Sacramento: North DA CA 649C ONVOY, LLC - CA 726   2010-11-14   

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Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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